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WO/2020/257947A1 |
An inducer and a submersible pump for pumping a slurry comprising solids and viscous fluids, the inducer mountable to the pump's drive shaft adjacent to and immediately upstream of an impeller mounted on said shaft. The inducer comprises...
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WO/2020/254380A1 |
The invention relates to a pump arrangement (1) for conveying a liquid, in particular for conveying waste water or service water, which comprises a pump housing (3) and an impeller (4), rotatably arranged in the pump housing (3) about a ...
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WO/2020/245811A1 |
A first aspect of the present invention is a cavitation ring to be fixedly mounted around an impeller of a centrifugal pump, coaxially with the axis of rotation of the centrifugal pump, comprising a substantially circular body with a giv...
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WO/2020/231856A1 |
The present invention is directed to a molten metal pump comprising an elongated pumping chamber tube with a base end and an open top end. A shaft extends into the tube and rotates an impeller therein, the impeller rotates proximate the ...
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WO/2020/221620A1 |
The present invention relates to a slurry pump of centrifugal pump design for the transport of pumping media with highly abrasive solid particles comprising a pump motor, a frequency converter and a motor controller, wherein the motor sh...
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WO/2020/211434A1 |
A vertical cryogenic liquid centrifugal pump, comprising a rotating shaft (2), a motor assembly (1) located in a room temperature environment, a low-temperature heat-insulating protection structure (3) located in a low temperature enviro...
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WO/2020/198698A1 |
Systems, devices, and methods are presented for optimizing the formation of gas nanobubbles in a disinfecting solution. In an example system for treating contaminated water, a centrifugal pump draws the water from a reservoir and circula...
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WO/2020/190748A1 |
A pit pump of a drilling fluid recycling system where the pit pump is driven by a liquid cooled electric drive motor that is cooled by a cooling liquid. The pit pump can stay submerged in the used drilling fluid within the pit indefinite...
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WO/2020/183484A1 |
A cutter pump assembly (600) for pumping fluid with solid particles is disclosed. The cutter pump assembly (600) comprises a cutter unit (100), a cutter housing (200), a pump casing (602), a base stand (604), a shaft (606), and an impell...
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WO/2020/178690A1 |
The liquid/solid separating device (1) comprises: one shredding pump (2) adapted to shred solid residues (3) floating at a free surface (4) of a mixture to be purified (5) and provided with one inlet mouth (6) of the mixture to be purifi...
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WO/2020/174718A1 |
This sealing device is provided with: a plurality of non-contact seals (7A-7C, 9A, and 9B) that are provided along a sealed shaft (1); contact seals (8, 10) that are provided to at least one of the two sides of the non-contact seals; an ...
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WO/2020/146821A1 |
The present invention provides a novel method, system, and apparatus comprising a passively flushed bearing for cardiovascular turbomachinery used to pump blood and other biological fluids. Specifically, the present invention provides a ...
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WO/2020/136255A1 |
The present invention relates to a device for circulating a fluid by precessional or precessional-nutational motion. This device can be particularly suitable for use in a pumping system, and in particular for pumping corrosive fluids. Th...
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WO/2020/134918A1 |
Disclosed is an energy-storage-type high-temperature molten salt pump with a mechanical seal, the molten salt pump comprising a pump body (8), wherein the pump body (8) is connected to a pump shaft (2), an upper portion of the pump shaft...
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WO/2020/127782A1 |
The present disclosure refers to a centrifugal pump (1) comprising: - a pump housing (3) enclosing a pump chamber (13), wherein the pump chamber (13) comprises a suction inlet (15) and a pressure outlet (17), - an impeller (19) rotatably...
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WO/2020/132295A1 |
A pump comprising an impeller having a hub base and an impeller body. The impeller body comprises a base which is concentric relative to a rotational axis of the impeller, and at least one eccentric apex.
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WO/2020/117258A1 |
Example implementations relate to transporting fluids. One example implementation includes a centrifugal pump having an impeller arranged to rotate within a casing in order to draw a fluid from an inlet of the impeller to a circumferenti...
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WO/2020/108711A1 |
The invention relates to an electrically driven machine, in particular a pump, having an electric motor, which comprises a rotor (4) that is arranged on a rotor shaft (7) and is rotatable in a stator, which stator is overmolded with a st...
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WO/2020/109667A1 |
The present invention relates to an arrangement and a method for controlling a gas flow separated from a suspension of medium consistency pulp. The pulp is treated in a pulp treatment apparatus comprising at least a first pump and a seco...
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WO/2020/104785A1 |
An excavation apparatus (101) comprises a casing (121) defining a fluid passageway, the casing (121) comprising a stationary portion (121) and a rotatable portion (106); and a pump (103) configured for moving fluid through the passageway...
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WO/2020/104050A1 |
The invention relates to a pump device (50) for conveying a contaminated liquid by means of a pump which is driven by a hydraulic drive, said hydraulic drive being driven by a drive liquid and the pump and the hydraulic drive being conne...
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WO/2020/094462A1 |
The invention relates to a multi-stage high-pressure centrifugal pump having a barrel casing (1). The centrifugal pump has an annulus. The medium leaves the centrifugal pump through a pressure connection (7). An insert is arranged at the...
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WO/2020/093109A1 |
A pump assembly (10) for pumping boiling water to a dispenser in a drinking water dispensing system, the pump assembly (10) comprising: a pump housing (20) having an inlet (22) for the boiling water and an outlet (24) arranged in fluid c...
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WO/2020/092035A1 |
A pump rotor includes a hub, a back plate and a plurality of blades extending from the hub and disposed on the back plate. Each of the plurality of blades has an outer surface essentially parallel to a rotational axis of the hub, and a f...
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WO/2020/058081A1 |
The invention relates to a pump assembly, having an intake opening 5 for sucking a flow medium into a flow chamber 6, a discharge opening 7 for discharging the flow medium out of the flow chamber 6, an impeller shaft 18 which can rotate ...
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WO/2020/055269A1 |
A device, preferably a pump, for transport of fluid and biomass, preferably fish, comprising a rotating part and a house/casing enclosing the rotating part and a space between the rotating part and the house/casing forming a closed fluid...
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WO/2020/046799A1 |
A turbomachine includes a housing having an inlet and an outlet. A shaft is rotationally disposed in the housing. The shaft is rotatable about a longitudinal axis. An impeller is coupled to the shaft between the inlet and the outlet and ...
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WO/2020/043564A1 |
The invention relates to a flow conducting device, in particular a plumbing fixture or a centrifugal pump. The device includes a part that is made of or coated with a non-metallic material. According to the invention, the material used t...
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WO/2020/028712A1 |
Various aspects of the disclosure are directed to providing structures that define a radial gap between an impeller and a pump casing element that facilitates minimizing the movement of fluid into the radial gap in a manner that lessens ...
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WO/2020/017635A1 |
The present invention pertains to a sealing system which is used for a pump for increasing pressure of a volatile liquid such as liquid ammonia. A sealing system (2) is provided with: a stuffing box (35) that forms a barrier chamber (30)...
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WO/2019/225823A1 |
The present invention relates to an open impeller used in a centrifugal pump for high specific gravity micro-slurry. More specifically, in a slurry-only centrifugal pump, which transfers a solid mixture having a high specific gravity, su...
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WO/2019/202499A1 |
A centrifugal seal system for a slurry pump (1) is provided with an adjustable wear ring (2) having an outer diameter (18) that is 1.3 to 2.1, and more preferably between 1.5 and 1.9 times the inlet diameter (17) of a suction orifice (33...
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WO/2019/199222A1 |
A pump housing device for a fluid pump comprises a rear wall element (5) comprising a rear surface (5b)turned towards an impeller (1). The rear wall element comprises an opening (7) defining a cylindrical surface (7a) along a longitudina...
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WO/2019/186926A1 |
This underwater aerator 1 is provided with: a casing (impeller casing 5); a gas intake port 513 which allows gas to flow into the casing; a liquid intake port 76 which opens in water and which allows liquid to flow into the casing; an im...
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WO/2019/173495A1 |
Methods and devices for a self-contained device including a hydraulic motor and a hydraulic pump. Preferably, the motor is incorporated either within the interior of the pump, on the exterior of the pump, or a combination of the two. The...
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WO/2019/086283A9 |
The invention provides a compressor unit for cryogenic applications comprising: at least one compressor for cryogenic applications for compressing a working fluid; a mechanically coupled to the at least one compressor; a combustion gas i...
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WO/2019/153005A1 |
A universal frame plate is provided for centrifugal pumps that include a pump casing. The frame plate includes a hub configured to be selectively mounted to a first pump casing having a discharge outlet located on a first side or a secon...
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WO/2019/119073A1 |
In centrifugal pumps and, in particular, pumps for transferring fluids containing abrasive particles such as slurry pumps, wear of wetted areas is a major maintenance issue. The invention provides for the protection of internal surfaces ...
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WO/2019/117821A2 |
The device for protection of wastewater pumps for wet accumulation chambers, comprising a separation chamber provided with a discharge pipe for discharging wastewater into a sewerage network, further comprising a supply pipe connected to...
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WO/2019/110659A1 |
The invention relates to an impeller (2) for centrifugal pumps, having at least one blade (12) for conveying solid-containing media. The blade (12) projects from a carrying disc (15) in the direction of a feed flow of the solid-containin...
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WO/2019/101659A1 |
In a fist aspect the invention relates to a method for controlling a pump (2), the pump (2) comprising an integrated control unit (12), a drive unit having an electric motor (9) and a drive shaft (10), and a hydraulic unit having an impe...
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WO/2019/080139A1 |
A sealed centrifugal pump with high temperature resistance, comprising a volute pump case (12). An impeller (11) is fittingly provided in the pump case, and the impeller is mounted on a rotating shaft (10). The bottom of the pump case is...
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WO/2019/081524A1 |
A method for maintaining a pumping system (2), that is part of a pumping station (1), in operational service (30), said pumping system (2) comprising a pump (20), a motor (21) driving the pump (20), and a pipe for discharging fluid by th...
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WO/2019/071318A1 |
A pump side part for use with a centrifugal slurry pump for pumping a fluid mixture containing particulate matter, the pump side part comprising a main body having a main axis, the main body including a side wall section which extends la...
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WO/2019/048224A1 |
Cutting unit for chopper pumps, having a rotor (10) which is mounted on a pump shaft and forms radially running cutting edges (18), and having a stator which is non-rotatably mounted in the intake region of the pump, forms passages for t...
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WO/2019/027579A1 |
A well pump seal section housing (25) connects between a pump (13) and a motor (17). Upper and lower retainers (37, 59) at upper and lower ends of the housing have outward facing cylindrical walls (41, 61). bladder (45) has an interior i...
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WO/2019/025238A1 |
The invention relates to an impeller (2) for centrifugal pumps having at least one blade (12). Said impeller (2) is used for delivering solids-containing media. The angle a is at an angle between a leading edge (17) of the blade (12) and...
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WO/2019/018733A1 |
A molten metal pump assembly and method to fill a mold with molten metal, such as aluminum. The assembly includes a support frame for suspending the molten metal pump above a furnace. The support frame includes a mechanism for lifting an...
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WO/2018/219496A1 |
The invention relates to an asymmetric pump impeller (1) for a pump unit for conveying a liquid which in particular contains solids, said impeller being formed at least to some extent in layers by an additive production method and having...
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WO/2018/204350A1 |
A double suction impeller features an impeller main body and an impeller suction eye. The impeller main body may include a suction eye adapter coupling member. The impeller suction eye may include a removable suction eye adapter having a...
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